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Wednesday 18 April 2018 at 17:15
Great, that gives me a lead. The signal specific for the credit/match display has probably lost continuity between the MPU board and the credit/match display connector.
Check that you have continuity beyond the connectors by measuring connectivity from resistor R54 on the display board (meter lead o...
Source: http://pinside.com/pinball/forum/topic/xenon-display-problems#post-4346668